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Technology:

First of all check for a corrupt .htaccess file on your FTP server. Rename the existing one and try to visit your site. If nothing changed the .htaccess is not the reason for the error. In my case the solution was to rename the folder "plugins" in the folder wp-content. Then try to access the website again if you see the text of your website of course without any graphical elements the reason for the error is a corrupted plugin. Now create a new folder "plugins" in the folder wp-content and move one plugin from the old plugins folder to the new created folder. After every movement try to reload the website if it is possible to see the content it wasn't the corrupted plugin. In my case an internal plugin of wordpress "wp_smtp_mail" was the reason for the error. Hope my solution helps! Good luck!

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The best way to customize a WordPress theme, is to create a child theme. To do this, you need to create a directory in the themes folder, add a style.css and set the the ‘Template’ parameter in its header to the name of the parent theme:

/*
Theme Name: Some Child Theme
Template: some-parent-theme
*/

Then you need to create a functions.php file and make sure to enqueue the parents css:

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First, the Site Address and the WordPress address need to be updated. Go to Settings->General in the WordPress administration area and change the value of these two settings to the new URL. New contents are now created with HTTPS.

Unfortunately, changing the site address does not update URLs in existing contents, so a SQL-Statement to replace the old URLs with new one is required (replace example.org with the URL of the site to move):

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Thomson Reuter provides OpenCalais as a Web service to index texts (http://www.opencalais.com) into several categories. And there exist a module for Drupal integrating the OpenCalais functionality into Drupal Websites (https://www.drupal.org/project/opencalais). If this module is enabled we have possibility to set certain characteristics in /admin/config/content/opencalais.
First we have to register at Thomson Reuter to get an access key that has to inserted in the settings dialog.
Then we can goto certain content nodes to decide whether they shall be analyzed by the indexing service. Different categories can be used. Social tags seems to be the most promising category. I have enabled the service for challenges and solutions.

Submitted by Jürgen Dorn on Wed, 11/08/2017 - 11:07

Related Question:

Using a semantic indexing service in Drupal

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In Drupal 7 tagging terms are stored as fields of the entity. In previous Drupal versions tags are assigned to nodes stored in a table taxonomy_index(nid, tid, created). In D7 we have some table as for example field_data_field_taggings were each term refrerence is stored as a row. If more then one term is assigned to a content node (e.g. in the answers module), the value in the column delta incremented to have a unique key. To generate this table we need an sql statement that increments this delta if more than one term exist for the node.